Finding the Fourth Proportional to 877,824.70, 1,211,920.14 and 555,810.82
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Solution
The fourth proportional to 877,824.70, 1,211,920.14 and 555,810.82 is: 767,349.48
Step by Step Solution
- Step 1: Write the proportion equation
877,824.70 : 1,211,920.14 = 555,810.82 : x - Step 2: Convert to fraction form
877,824.70/1,211,920.14 = 555,810.82/x - Step 3: Cross multiply
877,824.70x = 1,211,920.14 × 555,810.82 - Step 4: Simplify right side
877,824.70x = 673,598,326,787.92 - Step 5: Solve for x
x = 673,598,326,787.92/877,824.70 - Step 6: Final answer
x = 767,349.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.